Fuel System Rich (Bank 1) *

Note: This is a professional automotive technician's resource.

Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0172

Help Request

Posted

2000 Volkswagen Jetta GL 2.0L MIL Lamp onVIN: 3VWSB69M11P0172: system hit rich limit. We get the check engine light on in five drive cycles, i
sheached the fix database at there are two that fixed it
with a mass sensor so i bought one and stuck it in. at
first we had a lean code after we did the mass now we have
a rich code. i checked for fuel ...

2001 Ford Explorer Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp onVIN: 1FMYU60E41P0172: systen too rich bank 1. Need some help on this one. Truck came in the shop with
check engine light on, and a low idle. I cleaned the MAF
with no change. The LTfuel trim is -18%, but the STfuel
trim is +3%. I also have a small backfire through the
intake.The cylinder leak down test wa...

1997 Ford Taurus SHO 3.4L Excessive Emissions, Surge, StallVIN: 1FALP54N1VP0172: Sys. rich B1. ... with me. This V-8
Taurus is the first one I'v worked on, I'm begining to hope
the last! When I first checked it the only code was P1157,
but the car would run decent when first started, then start
to run terrible, with black smoke and stalled. Fuel
pressur...

1997 Ford Taurus SHO 3.4L Excessive Emissions, Surge, StallVIN: 1FALP54N1VP0172: Sys. rich B1. ... with me. This V-8
Taurus is the first one I'v worked on, I'm begining to hope
the last! When I first checked it the only code was P1157,
but the car would run decent when first started, then start
to run terrible, with black smoke and stalled. Fuel
pressur...

2000 Volkswagen Jetta GL 2.0L MIL Lamp onVIN: 3VWSB69M11P0172: system hit rich limit. We get the check engine light on in five drive cycles, i
sheached the fix database at there are two that fixed it
with a mass sensor so i bought one and stuck it in. at
first we had a lean code after we did the mass now we have
a rich code. i checked for fuel ...

2001 Ford Explorer Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp onVIN: 1FMYU60E41P0172: systen too rich bank 1. Need some help on this one. Truck came in the shop with
check engine light on, and a low idle. I cleaned the MAF
with no change. The LTfuel trim is -18%, but the STfuel
trim is +3%. I also have a small backfire through the
intake.The cylinder leak down test wa...

1997 Ford Taurus SHO 3.4L Excessive Emissions, Surge, StallVIN: 1FALP54N1VP0172: Sys. rich B1. ... with me. This V-8
Taurus is the first one I'v worked on, I'm begining to hope
the last! When I first checked it the only code was P1157,
but the car would run decent when first started, then start
to run terrible, with black smoke and stalled. Fuel
pressur...

1997 Ford Taurus SHO 3.4L Excessive Emissions, Surge, StallVIN: 1FALP54N1VP0172: Sys. rich B1. ... with me. This V-8
Taurus is the first one I'v worked on, I'm begining to hope
the last! When I first checked it the only code was P1157,
but the car would run decent when first started, then start
to run terrible, with black smoke and stalled. Fuel
pressur...